Buy Magic mushrooms (aka psilocybin mushrooms or shrooms) are fungi that contain psilocybin, a naturally occurring psychedelic compound. There are a wide variety of magic mushroom available now in Oakland, with over 200 known species that contain psilocybin or psilocin (its derivative). Magic mushrooms are used in many therapeutic settings to treat a wide range of conditions and disorders including anxiety, depression, OCD, headaches and substance abuse.